Big Harp
type: MusicGroup
popularity: 15
followers: 2614
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a9d7d1944892ae0098753cd578b4b8ffe5f7dbf3664a9bf5e9875f20a125b98
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953617
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953617
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ae4c491-9f5f-4fc2-a15b-13898da093da.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ae4c491-9f5f-4fc2-a15b-13898da093da.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1ae4c491-9f5f-4fc2-a15b-13898da093da
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T09:00:45Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5a9d7d1944892ae0098753cd578b4b8ffe5f7dbf3664a9bf5e9875f20a125b98","name":"Big Harp","registered_at":"2026-06-14T07:15:16Z","symbol":"NIM0378318","token_address":"0x35e3ed7e9e9b6ab3c147f931bc3a16458fa8c627","type":"artist","uuid":"1ae4c491-9f5f-4fc2-a15b-13898da093da"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a9d7d1944892ae0098753cd578b4b8ffe5f7dbf3664a9bf5e9875f20a125b98. Chain 2 (Bitcoin): anchored in block 953617 (2026-06-14T09:00:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1ae4c491-9f5f-4fc2-a15b-13898da093da.json and https://artists.proofprofile.net/proofs/artist/1ae4c491-9f5f-4fc2-a15b-13898da093da.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:00:45Z
  text: {"copyright_id":"0x5a9d7d1944892ae0098753cd578b4b8ffe5f7dbf3664a9bf5e9875f20a125b98","name":"Big Harp","registered_at":"2026-06-14T07:15:16Z","symbol":"NIM0378318","token_address":"0x35e3ed7e9e9b6ab3c147f931bc3a16458fa8c627","type":"artist","uuid":"1ae4c491-9f5f-4fc2-a15b-13898da093da"}
album: White Hat
  type: MusicAlbum
  date published: 2011-09-13
  track: Everybody Pays
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196773
    explicit: false
    by artist: Big Harp
    in album: White Hat
      type: MusicAlbum
      date published: 2011-09-13
    isrc code: US2U61116102
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T00:14:21+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd569d5d4df254416f9f21e88c3487bc5e1bcb66e3de6f7c6f632bd4175065c4c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958342
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958342
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2U61116102
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T03:17:06Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd569d5d4df254416f9f21e88c3487bc5e1bcb66e3de6f7c6f632bd4175065c4c. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:17:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2U61116102.
      date published: 2026-07-17T03:17:06Z
    audio: Everybody Pays
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 108.981
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.647
      additional property: Energy
        type: PropertyValue
        value: 0.41
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.879
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.026
      additional property: Liveness
        type: PropertyValue
        value: 0.136
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.556
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.987
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Goodbye Crazy City
    type: MusicRecording
    duration: PT4M27S
    duration ms: 267826
    explicit: false
    by artist: Big Harp
    in album: White Hat
      type: MusicAlbum
      date published: 2011-09-13
    isrc code: US2U61116103
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T04:07:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa6f205d2467e5dec628b7ac122c58147d22289b4707d69b23b231c0690be6d3c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958489
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958489
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2U61116103
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6f205d2467e5dec628b7ac122c58147d22289b4707d69b23b231c0690be6d3c. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2U61116103.
      date published: 2026-07-18T04:13:26Z
    audio: Goodbye Crazy City
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 76.283
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.588
      additional property: Energy
        type: PropertyValue
        value: 0.496
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.641
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.091
      additional property: Liveness
        type: PropertyValue
        value: 0.128
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.721
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.126
      additional property: Key Name
      additional property: Mode Name
album: Waiting For Some Drunk
album: Chain Letters
album: It's A Shame / He's A Girl, She's A Flame
album: It's A Shame / It's A Man
album: Waveless

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

White Hat
type: MusicAlbum
date published: 2011-09-13

Waiting For Some Drunk
type: MusicAlbum
date published: 2013-01-03

Chain Letters
type: MusicAlbum
date published: 2013-01-21

Chain Letters
type: MusicAlbum
date published: 2013-01-22
track: Bar All the Doors
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197560
  explicit: false
  by artist: Big Harp
  in album: Chain Letters
    type: MusicAlbum
    date published: 2013-01-22
  isrc code: US2U61318105
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T15:04:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x69d0132f0969dbf14dd1adbd37091410152d0bcd4a687d07dbe708a6c0072cd0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2U61318105
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d0132f0969dbf14dd1adbd37091410152d0bcd4a687d07dbe708a6c0072cd0. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2U61318105.
    date published: 2026-07-03T19:59:51Z
  audio: Bar All the Doors
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.106
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.562
    additional property: Energy
      type: PropertyValue
      value: 0.285
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.771
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.117
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.347
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.373
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Chain Letters
type: MusicAlbum
date published: 2013-01-22

It's A Shame / He's A Girl, She's A Flame
type: MusicAlbum
date published: 2015-03-09

It's A Shame / It's A Man
type: MusicAlbum
date published: 2015-03-10

Waveless
type: MusicAlbum
date published: 2015-08-14